Wheel-rail contact formulation for analyzing the lateral train-structure dynamic interaction

• Tipo: Artigo em Revista Científica Internacional
• Data: 2015

Autores

Pedro Aires Montenegro (Autor) FEUP; Neves, SGM (Autor) Outra; Rui Calçada (Autor) FEUP; Tanabe, M (Autor) Outra; Sogabe, M (Autor) Outra

Revista

Título: Computers and Structures

Vol. 152

Páginas: 200-214

ISSN: 0045-7949

Editora: Elsevier

Indexação

ISI Web of Knowledge - 11 Citações

Scopus - 45 Citações

Outras Informações

ID Authenticus: P-00A-BJF

DOI: 10.1016/j.compstruc.2015.01.004

Abstract (EN): A wheel-rail contact formulation for analyzing the nonlinear train-structure interaction that takes into account the wheel and rail geometry is proposed. While most of the existing methods treat the contact forces as external forces, the present formulation uses a finite element to model the behavior in the contact interface, based on Hertz's theory and Kalker's laws. The equations of motion are complemented with constraint equations that relate the displacements of the vehicle and structure. This complete system is solved directly using an optimized algorithm. The formulation is validated with experimental data from a test performed on a rolling stock plant.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 15